class_docstr: A thin wrapper around PurePath to support various filesystems.
code: def is_dir(self):
      return tf.io.gfile.isdir(self)
  
file_path: nerfies/nerfies/gpath.py
imports: import pathlib
  import tensorflow
label_desc: Use image node_id 6 for calling the GPath obj's underlying member method code with example usage: obj.is_dir() and returns: tf